Schedule II - Valuation and Qualifying Accounts - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands		12 Months Ended
		Jan. 31, 2023	Jan. 31, 2022
SEC Schedule, 12-09, Allowance, Credit Loss [Member]
Balance of the period		$ 506	$ 1,776
Charges to costs and expenses		0	(820)
Charges to other accounts	[1]	0	0
Deductions describe	[2]	0	(450)
Balance of the period		506	506
Allowance for Obsolete Equipment and Inventory [Member]
Balance of the period		2,418	1,660
Charges to costs and expenses		445	921
Charges to other accounts	[1]	0	0
Deductions describe	[3]	(1,123)	(163)
Balance of the period		$ 1,740	$ 2,418

[1] Represents translation differences.

[2] Represents recoveries and uncollectible accounts written off.

[3] Represents sale or scrap of inventory and obsolete equipment.